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    • 1. 发明授权
    • Simultaneous interferometric transmission of periodic spectral components
    • 周期性光谱成分的同时干涉传输
    • US3999854A
    • 1976-12-28
    • US527465
    • 1974-11-26
    • Joseph J. Barrett
    • Joseph J. Barrett
    • G01J3/26G01J3/44G01B9/02
    • G01J3/26G01J3/44
    • Light having spectral components periodic in frequency is collected, collimated and transmitted by a light conditioning means. Secondary interferometric means, adapted to receive the light, selectively separate preselected spectra therefrom and send the light devoid of the separated spectra to a primary interferometric means. The primary interferometric means selectively separates periodic spectra from the light and transmits such spectra in the form of a fringe which provides a detectable signal. A multipass means directs the signal back through the primary interferometric means, whereby the contrast ratio of the signal is increased. A modulating means modulates the phase difference between interfering rays of light transmitted by the primary interferometric means so as to vary the intensity of the fringe. The intensity variation of the fringe is detected by a phase sensitive detection means, and the resultant signal is displayed by an indicating and recording means. Advantageously, each of the spectral lines is transmitted simultaneously. Thus, the detected signal is derived from a plurality of spectral lines and has an intensity substantially equal to their sum.
    • 具有频率周期性的频谱分量的光被光调节装置收集,准直并传输。 适于接收光的二次干涉装置选择性地分离其中的预选光谱,并将没有分离的光谱的光发送到初级干涉仪装置。 主要的干涉测量装置选择性地分离来自光的周期性光谱,并以提供可检测信号的条纹的形式透射这些光谱。 多通道装置将信号反向通过主干涉仪,从而增加信号的对比度。 调制装置调制由主要干涉装置传输的干涉光线之间的相位差,以便改变条纹的强度。 边缘的强度变化由相位敏感检测装置检测,并且所得到的信号由指示和记录装置显示。 有利地,每个谱线同时传输。 因此,检测到的信号是从多条谱线导出的,其强度基本上等于它们的和。
    • 2. 发明授权
    • Simultaneous transmission of periodic spectral components by plural
interferometric means
    • 通过多个干涉仪同时传输周期性光谱分量
    • US3984190A
    • 1976-10-05
    • US527463
    • 1974-11-26
    • Joseph J. BarrettM. Alten Gilleo
    • Joseph J. BarrettM. Alten Gilleo
    • G01J3/44G01J3/26G01N21/65G01B9/02
    • G01J3/26
    • A method and apparatus for analyzing light are provided. Light having spectral components periodic in frequency is collected, collimated and transmitted by light conditioning means to a first interferometric means. The first interferometric means selectively separates a preselected periodic spectrum from the light and transmits such spectrum in the form of a fringe having an intensity derived from and substantially equal to the combined intensities of the transmitted spectra. A second interferometric means adapted to receive the fringe transmits the preselected periodic spectrum thereof in the form of a modified fringe providing a detectable signal. The portion of total intensity of the modified fringe derived from the combined intensities of the transmitted spectrum is greater than that of the fringe in the presence of unwanted spectra.
    • 提供了一种用于分析光的方法和装置。 具有频率周期性的频谱分量的光被光调制装置收集,准直并传输到第一干涉装置。 第一干涉装置选择性地将预选的周期性光谱与光分离,并以具有衍射并且基本上等于透射光谱的组合强度的强度的条纹的形式透射这种光谱。 适于接收边缘的第二干涉测量装置以提供可检测信号的经修改的条纹的形式发送预选的周期光谱。 来自传播光谱的组合强度的改性边缘的总强度的部分大于存在不想要的光谱时的条纹的总强度的部分。
    • 7. 发明授权
    • Simultaneous interferometric transmission of periodic spectral components
    • 周期性光谱成分的同时干涉传输
    • US4005937A
    • 1977-02-01
    • US584434
    • 1975-06-06
    • Joseph J. Barrett
    • Joseph J. Barrett
    • G01J3/26G01J3/44G01B9/02
    • G01J3/26G01J3/44
    • Light having spectral components periodic in frequency is collected, collimated and transmitted by a light conditioning means. Secondary interferometric means, adapted to receive the light, selectively separate preselected spectra therefrom and send the light devoid of the separated spectra to a primary interferometric means. The primary interferometric means selectively separates periodic spectra from the light and transmits such spectra in the form of a fringe which provides a detectable signal. A multipass means directs the signal back through the primary interferometric means, whereby the contrast ratio of the signal is increased. A modulating means modulates the phase difference between interfering rays of light transmitted by the primary interferometric means so as to vary the intensity of the fringe. The intensity variation of the fringe is detected by a phase sensitive detection means, and the resultant signal is displayed by an indicating and recording means. Advantageously, each of the spectral lines is transmitted simultaneously. Thus, the detected signal is derived from a plurality of spectral lines and has an intensity substantially equal to their sum.
    • 具有频率周期性的频谱分量的光被光调节装置收集,准直并传输。 适于接收光的二次干涉装置选择性地分离其中的预选光谱,并将没有分离的光谱的光发送到初级干涉仪装置。 主要的干涉测量装置选择性地分离来自光的周期性光谱,并以提供可检测信号的条纹的形式透射这些光谱。 多通道装置将信号反向通过主干涉仪,从而增加信号的对比度。 调制装置调制由主要干涉装置传输的干涉光线之间的相位差,以便改变条纹的强度。 边缘的强度变化由相位敏感检测装置检测,并且所得到的信号由指示和记录装置显示。 有利地,每个谱线同时传输。 因此,检测到的信号是从多条谱线导出的,其强度基本上等于它们的和。